ClassID:

213263

H01M4/8814 - CPC Classification

Classification description:

Electrodes; Inert electrodes with catalytic activity, e.g. for fuel cells; Processes of manufacture; Supports for the deposition of the catalytic active composition Temporary supports, e.g. decal

Recent Application in this class:
#1
20260022474
2026-01-22

HYBRID ELECTROCATALYST LAYERS FOR MEMBRANE-BASED ELECTROCHEMICAL DEVICES AND PROCESSES FOR MAKING THE SAME

#2
20240234748
2024-07-11

ELECTROCATALYST INK

#3
20230395904
2023-12-07

BIFACIAL SEALED GAS DIFFUSION ELECTRODE

#4
20230361315
2023-11-09

Method for producing catalyst-coated membranes

#5
20230352696
2023-11-02

TRANSFER SHEET, TRANSFER METHOD AND METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY

#6
20230249655
2023-08-10

AUTOMATED GAIN AND BOOST FOR A BRAKE CONTROLLER

#7
20230246203
2023-08-03

Method of manufacturing and device for manufacturing membrane-catalyst assembly

#8
20230223557
2023-07-13

Catalyst preparation

#9
20230127441
2023-04-27

Method for manufacturing a membrane electrode assembly (MEA) for a fuel cell with catalyst-free edge to the frame; MEA and fuel cell with MEA

#10
20230099815
2023-03-30

FUEL CELLS WITH IMPROVED MEMBRANE LIFE

#11
20230064893
2023-03-02

ELECTROCATALYST LAYER DECAL

#12
20230045086
2023-02-09

CATALYST SUPPORT

#13
20220311016
2022-09-29

Catalyst layer and method for producing the same

#14
20220149408
2022-05-12

MEMBRANE ELECTRODE ASSEMBLY MANUFACTURING PROCESS

#15
20220149407
2022-05-12

Membrane electrode assembly manufacturing process

#16
20220013791
2022-01-13

Catalyst layer

#17
20210328245
2021-10-21

Apparatus and method for manufacturing membrane-electrode assembly of fuel cell

#18
20210296657
2021-09-23

Electrocatalysts with branched-type porosity

#19
20210280885
2021-09-09

Method for manufacturing a membrane assembly for a fuel cell with catalyst free edge areas; membrane assembly and fuel cell with membrane assembly

#20
20210280884
2021-09-09

Method for manufacturing a membrane assembly for a fuel cell with catalyst-free edge to the frame; membrane assembly and fuel cell with membrane assembly

#21
20210273236
2021-09-02

Method of manufacturing and device for manufacturing membrane-catalyst assembly

#22
20210175516
2021-06-10

Method of manufacturing catalyst slurry for fuel cells and method of manufacturing electrode for fuel cells using the same

#23
20210057765
2021-02-25

Membrane electrode assembly for fuel cells

#24
20190341635
2019-11-07

Automated gain and boost for a brake controller

#25
20190334191
2019-10-31

METHOD OF MAKING A FUEL CELL DEVICE

#26
20190245230
2019-08-08

Method for manufacturing membrane electrode assembly including transferring electrode layer to electrolyte membrane by gas pressure

#27
20190131630
2019-05-02

Methods for manufacturing fuel cell electrodes and electrodes formed using the same

#28
20180366745
2018-12-20

Membrane electrode assembly for fuel cells and method of manufacturing the membrane electrode assembly for fuel cells

#29
20180337410
2018-11-22

Device and method for manufacturing membrane-electrode assembly for fuel cell

#30
20180337409
2018-11-22

Method for manufacturing membrane electrode assembly for hydrogen fuel cell using two types of binders, and membrane electrode assembly manufactured by the method

#31
20180323459
2018-11-08

Catalyst coated membranes and preparation methods for fuel cells

#32
20180277872
2018-09-27

Process for separating electrode for membrane-electrode assembly of fuel cell and apparatus therefor

#33
20180248198
2018-08-30

Stretched catalyst layer having porous ionomer film and method of producing same

#34
20180244882
2018-08-30

SUBSTRATE FILM, CATALYST TRANSFER SHEET, METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING CATALYST LAYER-COATED ELECTROLYTE MEMBRANE

#35
20180175394
2018-06-21

Method of manufacturing electrode for fuel cells with enhanced freezing resistance

#36
20180053943
2018-02-22

Ionomer resin, and ionomer solution, multilayer body, member, electrochemical element, and electrochemical device that include the same

#37
20180026274
2018-01-25

Method for manufacturing electrode for fuel cell and electrode manufactured thereby

#38
20180026273
2018-01-25

Method and device for modifying catalyst layer

#39
20180006287
2018-01-04

Thin film reserve battery

#40
20170324107
2017-11-09

Method of making a fuel cell device

#41
20170294660
2017-10-12

Method and device for preparing a catalyst coated membrane

#42
20170294659
2017-10-12

RELEASE LINER, METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY BY USING RELEASE LINER

#43
20170162895
2017-06-08

Method of making a fuel cell device

#44
20170077523
2017-03-16

Nanotubular intermetallic compound catalyst for positive electrode of lithium air battery and method of preparing the same

#45
20170066892
2017-03-09

SUBSTRATE FILM, CATALYST TRANSFER SHEET, METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING CATALYST LAYER-COATED ELECTROLYTE MEMBRANE

#46
20170044678
2017-02-16

Porous electrode for proton-exchange membrane

#47
20170033393
2017-02-02

Method of making a fuel cell device

#48
20170033369
2017-02-02

Catalyst layer

#49
20170033367
2017-02-02

Electrode catalyst ink composition

#50
20170012292
2017-01-12

METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY, MEMBRANE ELECTRODE ASSEMBLY, AND POLYMER ELECTROLYTE FUEL CELL

#51
20160368164
2016-12-22

Process for producing tubular ceramic structures

#52
20160276689
2016-09-22

Release film, laminate and method for manufacturing same, and method for manufacturing fuel cell

#53
20160276676
2016-09-22

Sheet for thin layer transfer, electrode catalyst layer-carrying sheet for thin layer transfer, method for producing sheet for thin layer transfer, and method for producing membrane electrode assembly

#54
20160268617
2016-09-15

Method for manufacturing membrane electrode assembly

#55
20160233533
2016-08-11

Membrane electrode assembly and method of producing the membrane electrode assembly

#56
20160186339
2016-06-30

Active layer/membrane arrangement for a hydrogen production device and assembly comprising said arrangement suitable for a porous current collector and method for producing the arrangement

#57
20160172699
2016-06-16

Method and apparatus for producing membrane electrode assembly

#58
20160126577
2016-05-05

Process for separating electrode for membrane-electrode assembly of fuel cell and apparatus therefor

#59
20160013496
2016-01-14

SUBSTRATE FILM FOR USE IN CATALYST TRANSFER FILM AND METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING CATALYST TRANSFER FILM, AND CATALYST COATED MEMBRANE

#60
20150364769
2015-12-17

Vertically aligned titanium oxide nanotubes for fuel cell electrodes

#61
20150349367
2015-12-03

Method for producing fuel cell electrode sheet

#62
20150270556
2015-09-24

Manufacturing method of metal catalyst-supporting carrier, metal catalyst-supporting carrier, manufacturing method of fuel cell and catalyst supporting device

#63
20150263353
2015-09-17

Non-PGM catalyst for ORR based on pyrolysed poly-complexes

#64
20150249256
2015-09-03

Method of making a fuel cell device

#65
20150180044
2015-06-25

Method for manufacturing an electrode/proton-exchange membrane assembly

#66
20150086902
2015-03-26

Thin film catalytic material for use in fuel

#67
20150086883
2015-03-26

Positive electrode for air cell and manufacturing method thereof

#68
20150044594
2015-02-12

Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell

#69
20140377685
2014-12-25

Method for manufacturing membrane-electrode assembly for polymer electrolyte fuel cell and membrane-electrode assembly manufactured thereby

#70
20140374248
2014-12-25

Method for the dry production of a membrane electrode unit, membrane electrode unit, and roller arrangement

#71
20140356766
2014-12-04

Fuel cell electrode and method for manufacturing membrane-electrode assembly using the same

#72
20140318696
2014-10-30

Method for producing membrane electrode assembly

#73
20140227624
2014-08-14

Electrolyte formation for a solid oxide fuel cell device

#74
20140186744
2014-07-03

Nanostructured PtMcatalyst for PEMFC cells having a high activity and a moderate HOproduction

#75
20140106261
2014-04-17

Preparation of hollow Pt and Pt-alloy catalysts

#76
20140017595
2014-01-16

Process for the preparation of membrane electrode assemblies (MEAs)

#77
20130340915
2013-12-26

Platinum monolayer for fuel cell

#78
20130330653
2013-12-12

Novel PPS-S Membrane

#79
20130327494
2013-12-12

Pt nanotubes

#80
20130288152
2013-10-31

Method for manufacturing membrane electrode assembly and solid polymer electrolyte fuel cell

#81
20130260278
2013-10-03

Preparation of nanostructured thin catalytic layer-based electrode ink

#82
20130143143
2013-06-06

Printed fuel cell with integrated gas channels

#83
20130106032
2013-05-02

Method for sintering

#84
20130059223
2013-03-07

Process for producing tubular ceramic structures of non-circular cross section

#85
20130056911
2013-03-07

Process for producing tubular ceramic structures

#86
20130045438
2013-02-21

PRODUCING METHOD OF FUEL CELL MEMBRANE ELECTRODE ASSEMBLY AND PRODUCING APPARATUS OF THE SAME

#87
20130032269
2013-02-07

Method for making fuel cell membrane electrode assembly

#88
20130022892
2013-01-24

MEMBRANE ELECTRODE ASSEMBLY, METHOD OF MANUFACTURE THEREOF, AND FUEL CELL

#89
20130020280
2013-01-24

Method of manufacturing fuel cell

#90
20130008595
2013-01-10

Lamination apparatus and methods

#91
20120329643
2012-12-27

Noble metal fine particle supported catalyst and method for producing the catalyst, and purifying catalyst

#92
20120315571
2012-12-13

METHOD FOR PRODUCING CATALYST-COATED MEMBRANE

#93
20120156591
2012-06-21

METHOD OF FABRICATION OF FUEL CELL

#94
20120141919
2012-06-07

Fuel cell electrode and method for manufacturing membrane-electrode assembly using the same

#95
20120107723
2012-05-03

Pore formation by in situ etching of nanorod PEM fuel cell electrodes

#96
20120100463
2012-04-26

Fuel cell production method

#97
20120100441
2012-04-26

OXYGEN-CONSUMING ELECTRODE

#98
20120058414
2012-03-08

METHOD FOR PREPARING MEMBRANE-ELECTRODE ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY PREPARED THEREFROM AND FUEL CELL COMPRISING THE SAME

#99
20120021338
2012-01-26

Method for preparing metal catalyst and electrode

#100
20110294037
2011-12-01

Electrode containing nanostructured thin catalytic layers and method of making

#101
20110262828
2011-10-27

ELECTRODE CATALYST DISPERSION AND INK COMPOSITION

#102
20110240203
2011-10-06

METHOD FOR PRODUCING A MEMBRANE-ELECTRODE ASSEMBLY FOR A FUEL CELL

#103
20110236788
2011-09-29

Method for membrane electrode assembly fabrication and membrane electrode assembly

#104
20110236785
2011-09-29

Fuel cell layer, fuel cell system and method for fabricating the fuel cell layer

#105
20110217621
2011-09-08

PROCESS TO PRODUCE CATALYST COATED MEMBRANES FOR FUEL CELL APPLICATIONS

#106
20110151353
2011-06-23

Fuel cell electrode with nanostructured catalyst and dispersed catalyst sublayer

#107
20110136039
2011-06-09

Membrane electrode assembly and methods for making same using release paper and an incision part

#108
20110135813
2011-06-09

Method of manufacturing unit cell of solid oxide fuel cell using decalcomania process

#109
20110027696
2011-02-03

Method for controlling ionomer and platinum distribution in a fuel cell electrode

#110
20110027693
2011-02-03

Arrangement of components in a solid oxide fuel cell and manufacturing method thereof

#111
20110014539
2011-01-20

SOLID OXIDE FUEL CELL

#112
20100298119
2010-11-25

FUEL CELL ELECTRODE AND METHOD FOR PRODUCING THE SAME

#113
20100291473
2010-11-18

Fabrication of electrodes with multiple nanostructured thin catalytic layers

#114
20100291467
2010-11-18

Fabrication of catalyst coated diffusion media layers containing nanostructured thin catalytic layers

#115
20100291463
2010-11-18

Electrode containing nanostructured thin catalytic layers and method of making

#116
20100291462
2010-11-18

METHOD FOR PRODUCING MEMBRANES COATED WITH A CATALYST ON BOTH SIDES

#117
20100291461
2010-11-18

Preparation of nanostructured thin catalytic layer-based electrode ink

#118
20100261089
2010-10-14

Membrane and electrode assembly and method of producing the same, and polymer electrolyte membrane fuel cell

#119
20100248077
2010-09-30

CATALYST INK, METHOD FOR PREPARING THE SAME, METHOD FOR STORING THE SAME, AND FUEL CELL

#120
20100233569
2010-09-16

ELECTROLYTE MULTILAYER MEMBRANE FOR SOLID POLYMER FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL

#121
20100227254
2010-09-09

Decal method for transferring platinum-and platinum alloy-based catalysts with nanonetwork structures

#122
20100227251
2010-09-09

CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND METHOD OF PRODUCING THE CATALYST LAYER

#123
20100221639
2010-09-02

Membrane electrode assembly, manufacturing method thereof and fuel cell

#124
20100221636
2010-09-02

FUEL CELL AND METHOD FOR PRODUCTION THEREOF

#125
20100216052
2010-08-26

Catalyst coated membrane (CCM) and catalyst film/layer for alkaline membrane fuel cells and methods of making same

#126
20100216048
2010-08-26

METHOD FOR THE PRODUCTION OF A MEMBRANE ELECTRODE UNIT

#127
20100209808
2010-08-19

Fuel cell and electrode powder constituting the catalytic layer thereof

#128
20100183804
2010-07-22

Methods of making membrane electrode assemblies

#129
20100167106
2010-07-01

Ordered mesoporous carbon composite catalyst, method of manufacturing the same, and fuel cell using the same

#130
20100151362
2010-06-17

PARTICULATE CARBON CARRYING FINE PARTICLE THEREON, PROCESS FOR PRODUCTION THEREOF, AND ELECTRODES FOR FUEL CELLS

#131
20100136383
2010-06-03

Printed fuel cell with integrated gas channels

#132
20100124686
2010-05-20

Method of manufacturing a membrane electrode assembly, membrane electrode assembly and fuel cell

#133
20100086821
2010-04-08

ELECTRODE FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY, AND METHODS FOR MANUFACTURING THE SAME

#134
20100051181
2010-03-04

Manufacturing Equipment and Manufacturing Method of Membrane Electrode Assembly

#135
20100043954
2010-02-25

Process for forming catalyst layer, and process for producing membrane/electrode assembly for polymer electrolyte fuel cell

#136
20100040853
2010-02-18

Carrier film for fuel cell production process and its production method

#137
20100035125
2010-02-11

LAYERED ELECTRODE FOR ELECTROCHEMICAL CELLS

#138
20100021787
2010-01-28

Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell

#139
20090312180
2009-12-17

Methods of making platinum and platinum alloy catalysts with nanonetwork structures

#140
20090311578
2009-12-17

WATER REPELLENT CATALYST LAYER FOR POLYMER ELECTROLYTE FUEL CELL AND MANUFACTURING METHOD FOR THE SAME

#141
20090239117
2009-09-24

Fuel cell, membrane electrode assembly and manufacturing method thereof

#142
20090220835
2009-09-03

Platinum and platinum based alloy nanotubes as electrocatalysts for fuel cells

#143
20090186251
2009-07-23

Membrane electrode assembly having low surface ionomer concentration

#144
20090181235
2009-07-16

Microporous layer assembly and method of making the same

#145
20090169950
2009-07-02

PRODUCTION OF CATALYST COATED MEMBRANES

#146
20090092879
2009-04-09

Fuel Cells with Sputter Deposited Pt and Pt Alloy Electrodes

#147
20090087713
2009-04-02

Membrane catalyst layer assembly with reinforcing films, membrane electrode assembly with reinforcing films, and polymer electrolyte fuel cells

#148
20090081494
2009-03-26

METHODS FOR MANUFACTURING ELECTROCHEMICAL CELL PARTS COMPRISING MATERIAL DEPOSITION PROCESSES

#149
20090053583
2009-02-26

GAS DIFFUSION ELECTRODE AND PROCESS FOR PRODUCING IT AND ITS USE

#150
20090047559
2009-02-19

FUEL CELL ELECTRODE CATALYST WITH IMPROVED NOBLE METAL UTILIZATION EFFICIENCY, METHOD FOR MANUFACTURING THE SAME, AND SOLID POLYMER FUEL CELL COMPRISING THE SAME

#151
20090047422
2009-02-19

Method for manufacturing tube-type fuel cell

#152
20090042091
2009-02-12

Supported catalyst layers for direct oxidation fuel cells

#153
20090035615
2009-02-05

Gas diffusion electrode for electrolyte-percolating cells

#154
20080311403
2008-12-18

Lamination apparatus and methods

#155
20080292942
2008-11-27

Membrane electrode assembly including porous catalyst layer and method of manufacturing the same

#156
20080274387
2008-11-06

Method for producing gas diffusion electrode and method for producing polymer electrolyte fuel cell, and gas diffusion electrode and polymer electrolyte fuel cell

#157
20080220306
2008-09-11

Fuel cell electrode and method for producing the same

#158
20080213650
2008-09-04

Microstructures and Methods of Fabrication Thereof

#159
20080128074
2008-06-05

Methods of making components for electrochemical cells

#160
20080118805
2008-05-22

MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF PREPARING SAME AND FUEL CELL SYSTEM INCLUDING SAME

#161
20080107945
2008-05-08

FUEL CELL SUBSTRATE WITH AN OVERCOAT

#162
20080038623
2008-02-14

High-performance membrane electrode unit and the use thereof in fuel cells

#163
20080020923
2008-01-24

Multilayered nanostructured films

#164
20080020253
2008-01-24

Method for Producing a Membrane-Electrode Unit

#165
20070275291
2007-11-29

NOVEL MEMBRANE ELECTRODE ASSEMBLY AND ITS MANUFACTURING PROCESS

#166
20070270305
2007-11-22

Supported catalyst, method of preparing the same, and fuel cell using the same

#167
20070269699
2007-11-22

Catalyst coated membrane, membrane electrode assembly containing the same, method of producing the same, and fuel cell including the membrane electrode assembly

#168
20070243315
2007-10-18

Methods for manufacturing electrochemical cell parts comprising material deposition processes

#169
20070227650
2007-10-04

METHOD OF MAKING MEMBRANE ELECTRODE ASSEMBLIES

#170
20070213203
2007-09-13

Method of making fuel cell components including a catalyst layer and a plurality of ionomer overcoat layers

#171
20070199649
2007-08-30

Method of laminating a decal to a carrier film

#172
20070184336
2007-08-09

Membrane electrode assembly for fuel cell, method of preparing the same, and fuel cell using the membrane electrode assembly for fuel cell

#173
20070184331
2007-08-09

Catalyst coated electrolyte membrane, fuel cell including the same, method of preparing the catalyst coated electrolyte membrane

#174
20070122684
2007-05-31

Membrane-electrode assembly for fuel cell with catalyst layer having a first and a second porosity

#175
20070099066
2007-05-03

Catalyst layer for polymer electrolyte fuel cell, process for producing the catalyst layer, and polymer electrolyte fuel cell

#176
20070087259
2007-04-19

Method for manufacturing catalyst-coated membrane using mask

#177
20070082804
2007-04-12

Method of making metal-polymer composite catalysts

#178
20070082253
2007-04-12

Metal-polymer composite catalysts

#179
20070077350
2007-04-05

Process for manufacturing a catalyst-coated polymer electrolyte membrane

#180
20070059452
2007-03-15

Formation of nanostructured layers through continued screw dislocation growth

#181
20070026290
2007-02-01

Cathode catalyst for fuel cell, and membrane-electrode assembly and fuel cell system comprising same

#182
20060210706
2006-09-21

Thin film solid oxide fuel cell with lithographically patterned electrolyte and anode layers

#183
20060172168
2006-08-03

Deposited structures

#184
20060166077
2006-07-27

Thin membrane electrode assembly for fuel cell and fuel cell including the same

#185
20060166073
2006-07-27

Fuel cell having a hydrogen electrode catalyst layer porosity that is lower than the air electrode catalyst layer porosity

#186
20060118994
2006-06-08

Substrate-supported process for manufacturing microfibrous fuel cells

#187
20060110632
2006-05-25

Method for preparing metal catalyst and electrode

#188
20060105226
2006-05-18

Metal catalyst and fuel cell with electrode including the same

#189
20060041100
2006-02-23

Ion-conductive copolymers containing one or more ion-conducting oligomers

#190
20060008696
2006-01-12

Nanotubular solid oxide fuel cell

#191
20050271929
2005-12-08

Edge-protected catalyst-coated membrane electrode assemblies

#192
20050238943
2005-10-27

Fuel cell stack

#193
20050227855
2005-10-13

Method of making an electrode for a membrane electrode assembly and method of making the membrane electrode assembly

#194
20050106425
2005-05-19

Membrane free fuel cell

#195
20050074663
2005-04-07

Fuel cell electrode with redox catalyst

#196
20050072514
2005-04-07

Method of making membrane electrode assemblies

#197
20050067345
2005-03-31

Production of catalyst coated membranes

#198
18912526
2025-07-15

Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same

#199
18778577
2025-06-24

Hybrid electrocatalyst layers for membrane-based electrochemical devices and processes for making the same

#200
15952881
2022-03-29

Bimetallic non-PGM alloys for the electrooxidation of gas fuels in alkaline media